Bleaching

 

 

Description

Yellowing of the surface corresponding to areas of filler in the substrate.

Cause

Excess quantities of peroxide used in the filler.

 

Prevention

Use a feed machine for mixing filler, or take care to calculate and measure peroxide quantities accurately.

 

Rectification

Rub down the affected area to the surface of the filler, seal with isolator or epoxy primer and repaint.

 

 

 

 

 

Other Defects:

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